The point is definition doesn’t matter, it’s the viewing distance + pixel density that matters. This is what apple calls retina: when we stop seeing the individual pixels (jagged edges) at a normal viewing distance. This means that a phone will need a much higher pixel density than a desktop or tv. But the low-dpi displays we still have are unacceptable in 2024 the icons and text look so ugly…
Lemmy.world and sh.itjust.works are both really good. IIRC .world is hosted in Germany and sh.ithust.works in Canada east coast